Truck-bolster.



Patented Dec.. 30, i902.

J. H. GEER &.D. WISUR.

TRUCK BOLSTER.

{Am-,ummm filed June 3o, 1902.)

(No Model.)

I NI/LWTORS. E Geer A7" NNEV we wams nays no wormuwu, wAwmsYou. n.1;

`UNITED STATES JAMESA I-I. .GEER AND-DAVID WISOR, OF JOHNSTOWN,

TRU`CK-VBOLSTER.

PATENT OFFICE.

`PENNSYLVANIA.

SPECIFIGATIQN forming part of Lettersfatent No. 717,387, dated December 30, 1902. Application filed .Tune 3'0, i962. serial No. 113,694. (Nu'mo'dem T all whom, iz'; muy concern:

Be it known that we, JAMES H. GEER and DAVID WIsOR,'citizens of the United States, residing at Johnstown, in the county of Cambria and State of Pennsylvania, have invented certain new and useful Improvements in Truck-Bolsters; and we do hereby declare the following to be a full, clear,and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

Our invention consists of various improved constructions of car-holsters and the details thereof, with particular reference to those known as truck-bolsters.

Certain of the objects of our invention are to produce a structure that is well adapted to withstand thevarious stresses to which it may be subjected while in use, simple, cheap, and built of materials easily obtained, and manufactured without the use of special sections or machinery.

We will now in order to make the matter more clear refer to the annexed sheet of drawings, which forms part of this specification, and in which like figures refer to like parts.

Figure 1 is a plan of our improved bolster. Fig. 2 is a side elevation thereof. Fig. 3 is a "central vertical sectional elevation on the line A A of Fig. 2. Fig. 4 is an end elevation of the bolster, and Fig. 5 is a perspective view of the end. diaphragms.

Referring now/to the various charactersrof reference uponfthe drawings, 1 is the straight top member, shown as a channel, the flanges of which projectl downwardly. l

2 is the bottom member, also shown of,

serve to fasten said center brace to the upper and lower members of the bolster. The two end walls of the casting 3 have formed integral therewith the anges 5 above mentioned,

while the adjoining or side walls of said center brace parallel to the sides of the bolster are shaped to fit Within the projecting flanges of the upper and lower members. The flanges 5 of the center brace rest directly against the webs of the upper and lower members and are secured thereto by through rivets or bolts, which are countersunk on the upper member, as shown in Fig. 2.

6 represents inside end braces or diaphragms, and 7 represents similar braces or diaphragms, both of which are secured to the webs of the top and bottom members, the de` tail construction of said diaphragms being clearly indicated in Fig. 5. Both of these diaphragms serve to strengthen the ends of the structure and assist in carrying the load to the springs, while the diaphragms 7 also form a closure and linish for, the end of the bolster. Each of said diaphragms consists of a box-like-shaped trough with corners cut out, the sides 9 of which are parallel and are riveted directly to the webs of the upper and lower members of the bolster when in place. The sides 10 are V-shaped to iit inside of the anges of said members, as shown.

11 represents column -guides formedV of crimped plates, as shown, and secured to the flanges of the upper and lower members of the bolster, together with the sides 10 of the end diaphragms, by through rivets or bolts, as indicated on the drawings.

12 is the center. bearing, 13 the side bearings, and 14 represents the dead-lever guidefulcra for the brake-rigging.

Although we have shown our improvements in considerable detail, we do not limit ourselvesto the exact and specific particulars of the arrangements herein described and illustrated, but may use such -variations and modifications or equivalents thereof as are embraced within the scope of our invention and as pointed out in the claims.

Having thus given a description of' our invention, what we claim, and desire to secure by Letters'Patent, is-

IOO

, four-sided casting provided with a horizontal inside diaphragm adapted to serve as kingpin bearing.

2. In a bolster, a center brace composed of a hollow four-sided casting provided with an integral, horizontal, inside diaphragm having a substantially cylindrical recess adapted to serve as king-pin bearing.

3. In a bolster, a center brace composed of a hollow four-sided casting provided with 11p-- per and lower outwardly-extending integral flanges, and a horizontal inside diaphragm formed integral therewith having a receptacle arranged in its upper face to receive and serve as bearing for the king-pin.

4. In a bolster, a straight top member consisting of a rolled channel arranged with depending side flanges, 'a lower rolled-channel member arranged with its flanges projecting upwardly, secured to the ends of said top member and separated therefrom at the middle by a center brace composed of a hollow four-sided casting provided with a horizontal diaphragm adapted to serve as king-pin bearing. v 5. In a bolster, a straight top member consisting of a rolled channel arranged with depending side flanges, a bottom rolled-channel member arranged with its anges projecting upwardly secured to the ends of said top member and separated therefrom at the middle by a center brace composed of a holiowfou r-sided casting provided with a horizontal inside diaphragm having a receptacle in the upper face thereof, to receive and serve as bearing for the end of the king-pin, and outwardlyextending integral anges connected by through bolts or rivets to said top and bottom members.

6. In a trussed channel-bolster, an end diaphragm having substantially, the shape of an oblong hexagonal box, two sides of which are parallel and adapted to be secured directly to the webs of the top and bottom members of said bolster, the ends of said box being V- shaped to conform to and ht the meeting flanges of the top and bottom members of said bolster.

7. In a bolster, a straight top member consisting of a rolled channel arranged with depending side anges, a bottom rolled-channel member arranged with its fianges projecting upwardly, secured Lo the ends of said top member by means of end diaphragms having substantially the shape of anoblong hexagonal lidless box the sides of which are attached to the webs and the ends of which are Secured to the meeting fianges of said top and bottom members.

8. In a bolster, a straight top member consisting of a rolled channel arranged with depending side fianges, a bottom rolled-channel member arranged with its anges projecting upwardly, secured to the ends of' s aidtop member by means of end diaphragms having substantially the shape of an oblong hexagonal lidless box the sides of which are attached to the webs and the ends of which are secured to the meeting 'flanges of said top and bottom members, a center brace secured between the central portions of said top and bottom members, said center brace being composed of a hollow four-sided casting provided with a horizontal inside diaphragm adapted to serve as bearing for the king-pin.

9. In a bolster, a straight top member consisting of a rolled channel arranged with depending side flanges, a bottom member of channel form with upwardly extending flanges secured to the ends of said top member by means of end diaphragme having substantially the shape of an oblong hexagonal lidless box the sides of which are attached to the webs, the ends of which are secured to the meeting flanges of said top and bottom members, a center brace composed of a hollow four-sided casting provided with a horizontal inside diaphragm integral therewith, having a receptacle arranged in its upper face to receive and serve as bearing for the kingpin. 10. In a bolster, a stra-ight top member consisting of a rolled channel arranged with depending side flanges, a bottom member of channel form with upwardly extending auges secured to the ends of said top member by means of end diaphragms having substantially the shape of an oblong hexagonal lidless box the sides of which are attached to the webs, the ends of which are secured to the meeting flanges of said top and bottom members, a center brace composed of a hollow four-sided casting provided with alhorizontal inside diaphragm integral therewith having a receptacle arranged in its upper face to receive and serve as a bearing for the king-pin, and integral outwardly-extending flanges secured to the upper and lower members of the bolster aforesaid by rivets or bolts passing therethrough.

11. Ina bolster, a straight top member consisting of a rolled channel arranged with depending side anges, a bottom member of channel form with upwardly extending flanges secured to the ends of said top member by means of end diaphragms having substantially the shape of an oblong hexagonal lidless box, the sides of which are attached to the webs, the ends of which are secured to the meeting anges of said top and bottom members, a center brace composed of a hollow four-sided casting provided with a horizontal inside diaphragm integral therewith, having a receptacle arranged in its upper face to receive and serve as bearing for the king- ICO IIO

Hx our t' on whereof We hereto a sgitilaelsmin ghe presence of two witnesses. ro

o JAMES H. GEER.

DAVID \VISOR.

Witnesses:

STONE EDELEN, HERBERT LUEBBERT.

or bolts.

Corrections inv Letters Patent No. 717,387.

It is hereby oerted that in Letters Patent No. 717,387, granted December 30, 1902, upon the application of James H. Geer and David Wisor, of Johnstown, Pennsylvania, for an improvement in Truck-Bolsters, errors appear in the printed specification requiring correction, as follows: In line '72, page 1, the word diaphragms77 should read diaphragm; and iu line 73, same page, the word form should read farms; and that the said Letters Patent should he read with these corrections therein that the same may conform to the record of the ease in the Patent OB ce.

Signed and sealed this 13th day of January, A. D., 1903.

[SEAL] F. I. ALLEN,

Commissioner" of Patents- Corrections n Letters Patent No. 717,387.

It is hereby certified that in Letters Patent No. 717,387, granted December 30, i902, upon lshe application of James H. Geer and David lVisnr, ofJohnstown, Pennsylvania, for an improvement in Tru :k-Bo]stcrs, errors appear in the printed specification requiring correction, :is follows: In line 72, page l, the word dinphrngmsshould read diaphragm; and in line 73, same page, the word 'orm should rend femm; und that the said Letters Patenti Should be read with these corrections therein that the case in the Patent @Hice same may confor-n1 to the record of the Signed and sealed this 13th da)- o' January. A. D.,

F. I. ALLEN,

Commiseinum of Puf/fum.

[SEAL] 

